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BOSTON MARATHON 2025

Brian Leroy

Bib: 9389•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:38
Rank: #7531
Start → 5K
21:38 | 6:58/mi
10K· 6.21 mi
43:10
Rank: #7492 (+39)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:04:44
Rank: #7408 (+84)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:26:42
Rank: #7339 (+69)
15K → 20K
21:58 | 7:04/mi
Half· 13.11 mi
1:31:28
Rank: #7336 (+3)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:55
Rank: #7339 (-3)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:12:31
Rank: #7408 (-69)
25K → 30K
23:36 | 7:36/mi
20M
2:23:09
Rank: #7436 (-28)
30K → 20M
10:38 | 7:49/mi
21M
2:31:28
Rank: #7471 (-35)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:37:24
Rank: #7592 (-121)
21M → 35K
5:56 | 7:56/mi
23M
2:48:50
Rank: #8146 (-554)
35K → 23M
11:26 | 9:08/mi
24M
2:58:01
Rank: #8676 (-530)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:06:45
Rank: #9358 (-682)
24M → 40K
8:44 | 10:13/mi
25.2M
3:11:05
Rank: #9794 (-436)
40K → 25.2M
4:20 | 12:34/mi
Finish· 26.22 mi
3:22:11
Rank: #10783 (-989)
25.2M → Finish
11:06 | 10:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:28
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5921:386:5821:38
6:58
-
10K
6.21 mi11:08:3143:106:5721:32
6:56
-0:02
15K
9.32 mi11:30:051:04:446:5721:34
6:56
0:00
20K
12.43 mi11:52:031:26:426:5921:58
7:04
+0:08
Half
13.11 mi11:56:491:31:286:594:46
6:59
-0:05
25K
15.53 mi12:14:161:48:557:0117:27
7:12
+0:13
30K
18.64 mi12:37:522:12:317:0723:36
7:36
+0:24
20M
20.00 mi12:48:302:23:097:0910:38
7:49
+0:13
21M
21.00 mi12:56:492:31:287:138:19
8:19
+0:30
35K
21.75 mi13:02:452:37:247:145:56
7:56
-0:23
23M
23.00 mi13:14:112:48:507:2011:26
9:08
+1:12
24M
24.00 mi13:23:222:58:017:259:11
9:11
+0:03
40K
24.85 mi13:32:063:06:457:318:44
10:13
+1:02
25.2M
25.20 mi13:36:263:11:057:354:20
12:34
+2:21
Finish
26.22 mi13:47:323:22:117:4311:06
10:54
-1:40

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:56 /mi

Average Pace

7:43 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:30

34% of race

Time at Steady Pace

1:27:54

43% of race

Time at Slower Pace

44:47

22% of race

Average Pace: 7:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:5921:386:5821:38
6:58
#7531
10K
6.21 mi11:08:3143:106:5721:32
6:56
#7492
15K
9.32 mi11:30:051:04:446:5721:34
6:56
#7408
20K
12.43 mi11:52:031:26:426:5921:58
7:04
#7339
Half
13.11 mi11:56:491:31:286:594:46
6:59
#7336
25K
15.53 mi12:14:161:48:557:0117:27
7:12
#7339
30K
18.64 mi12:37:522:12:317:0723:36
7:36
#7408
20M
20.00 mi12:48:302:23:097:0910:38
7:49
#7436
21M
21.00 mi12:56:492:31:287:138:19
8:19
#7471
35K
21.75 mi13:02:452:37:247:145:56
7:56
#7592
23M
23.00 mi13:14:112:48:507:2011:26
9:08
#8146
24M
24.00 mi13:23:222:58:017:259:11
9:11
#8676
40K
24.85 mi13:32:063:06:457:318:44
10:13
#9358
25.2M
25.20 mi13:36:263:11:057:354:20
12:34
#9794
Finish
26.22 mi13:47:323:22:117:4311:06
10:54
#10783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7531669966997250(Top 26%)6438(Top 40%)6438(Top 270%)
10K6.21 mi3.10 mi7492+396650+496650+497482(Top 26%)6629(Top 41%)6629(Top 278%)
15K9.32 mi3.11 mi7408+846581+696581+697250(Top 26%)6438(Top 40%)6438(Top 270%)
20K12.43 mi3.11 mi7339+696519+626519+627339(Top 26%)6455(Top 40%)6455(Top 271%)
Half13.11 mi0.68 mi7336+36514+56514+57508(Top 26%)6598(Top 41%)6598(Top 277%)
25K15.53 mi2.42 mi7339-36499+156499+157599(Top 27%)6515(Top 40%)6515(Top 273%)
30K18.64 mi3.11 mi7408-696502-36502-38418(Top 30%)6836(Top 42%)6836(Top 287%)
20M20.00 mi1.36 mi7436-286485+176485+179192(Top 32%)7103(Top 44%)7103(Top 298%)
21M21.00 mi1.00 mi7471-356468+176468+179322(Top 33%)7006(Top 44%)7006(Top 294%)
35K21.75 mi0.75 mi7592-1216529-616529-6111742(Top 41%)8189(Top 51%)8189(Top 343%)
23M23.00 mi1.25 mi8146-5546831-3026831-30216977(Top 60%)10490(Top 65%)10490(Top 440%)
24M24.00 mi1.00 mi8676-5307116-2857116-28518237(Top 64%)11019(Top 68%)11019(Top 462%)
40K24.85 mi0.85 mi9358-6827469-3537469-35321092(Top 74%)12321(Top 77%)12321(Top 516%)
25.2M25.20 mi0.35 mi9794-4367672-2037672-20324298(Top 86%)13912(Top 86%)13912(Top 583%)
Finish26.22 mi1.02 mi10783-9898132-4608132-46025147(Top 89%)14359(Top 89%)14359(Top 602%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7250

Males

6438

M45-49

6438

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7482

Males

6629

M45-49

6629

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7250

Males

6438

M45-49

6438

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7339

Males

6455

M45-49

6455

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7508

Males

6598

M45-49

6598

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7599

Males

6515

M45-49

6515

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8418

Males

6836

M45-49

6836

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9192

Males

7103

M45-49

7103

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9322

Males

7006

M45-49

7006

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11742

Males

8189

M45-49

8189

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16977

Males

10490

M45-49

10490

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18237

Males

11019

M45-49

11019

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21092

Males

12321

M45-49

12321

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24298

Males

13912

M45-49

13912

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

25147

Males

14359

M45-49

14359

Passing Analysis

Category:
Athletes Passed
1085
Passed By
4335
Net Change
-3252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7531
5K → 10K222183+39#7531#7492
10K → 15K18298+84#7492#7408
15K → 20K15283+69#7408#7339
20K → Half2926+3#7339#7336
Half → 25K112115-3#7336#7339
25K → 30K152221-69#7339#7408
30K → 20M97125-28#7408#7436
20M → 21M73108-35#7436#7471
21M → 35K25146-121#7471#7592
35K → 23M21575-554#7592#8146
23M → 24M9539-530#8146#8676
24M → 40K8690-682#8676#9358
40K → 25.2M2438-436#9358#9794
25.2M → Finish1988-989#9794#10783
TOTALS10854335-3252
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing